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freebsd/contrib/top/sigconv.awk
Giorgos Keramidas d2d6d8d537 The sigconv.awk script generates a sigdesc.h header file, which
contains a sigdec[] vector of structures, but the generated output is
missing braces around the initializer of each struct, which
triggers warnings in WARNS=3:

src/usr.bin/top/sigdesc.h:10: warning: missing braces around initializer
src/usr.bin/top/sigdesc.h:10: warning: (near initialization for `sigdesc[0]')

  * Fix the sigconv.awk script to generate a header with initializers
    which look better.

  * Add rules to usr.bin/top/Makefile that rebuilds a new sigconv.h
    header which matches the correct signal set from the build-time
    version of `${DESTDIR}/usr/include/signal.h' (so sigconv.h doesn't
    get stale once changes are made to the header).

  * Remove the old sigconv.h header, now that it is autoupdated at
    build time.

  * Various Makefile style fixes (the committed Makefile was kindly
    submitted by Ruslan):

    - Reorder .PATH, PROG, SRCS and CFLAGS to match style.Makefile(5)
    - Split off the generated sources (sigdesc.h top.local.h) in an
      SRCS+= line of their own.
    - Add entries to CLEANFILES near the rules that generate the
      respective files.
    - Move the explicit rule which builds top.1 after the implicit
      rules which generate its dependencies.

Reviewed by:	ru, bde
Submitted by:	ru (Makefile)
MFC after:	2 weeks
2006-12-01 07:01:19 +00:00

56 lines
1.1 KiB
Awk

# $FreeBSD$
BEGIN {
nsig = 0;
j = 0;
print "/* This file was automatically generated */"
print "/* by the awk script \"sigconv.awk\". */\n"
print "struct sigdesc {"
print " char *name;"
print " int number;"
print "};\n"
print "struct sigdesc sigdesc[] = {"
}
/^#define[ \t][ \t]*SIG[A-Z]+[0-9]*[ \t]/ {
j = sprintf("%d", $3);
str = $2;
if (nsig < j)
nsig = j;
siglist[j] = sprintf("{ \"%s\",\t%2d },", \
substr(str, 4), j);
}
/^#[ \t]*define[ \t][ \t]*SIG[A-Z]+[0-9]*[ \t]/ {
j = sprintf("%d", $4);
str = $3;
if (nsig < j)
nsig = j;
siglist[j] = sprintf("{ \"%s\",\t%2d },", \
substr(str, 4), j);
}
/^#[ \t]*define[ \t][ \t]*_SIG[A-Z]+[0-9]*[ \t]/ {
j = sprintf("%d", $4);
str = $3;
if (nsig < j)
nsig = j;
siglist[j] = sprintf("{ \"%s\",\t%2d },", \
substr(str, 5), j);
}
END {
for (n = 1; n <= nsig; n++)
if (siglist[n] != "")
printf(" %s\n", siglist[n]);
printf(" { NULL,\t 0 }\n};\n");
}